National Provider Identifier Database

JOHN R SEBASTIANELLI, MD – NPI #1548308927
Psychiatry

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.


Contact Information

JOHN R SEBASTIANELLI, MD
76 SUMMER ST
HAVERHILL, MA01830-5814
Phone: 781-373-8222
Fax: 978-373-8223
Website:
Specialty Taxonomy Code
* Psychiatry 2084P0800X
Prescribing (Medical) 103TP0016X

* Indicates primary specialty

NPI Profile & details for JOHN R SEBASTIANELLI

NPI Number 1548308927
Credentials MD
Entity Individual
Enumeration date 02/01/2007
Last updated 04/19/2026 - About 2 months ago
Sole proprietor1 Yes
Identifiers
  • MA License #: 71571
  • MA Other: 1300138 MASS PROVIDER NUMBER
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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